Add Yahoo as a preferred source to see more of our stories on Google. Sneezing? Feeling congested? Coughing? Are these signs of flu season, a cold or allergies, or are they symptoms of COVID-19? What ...

It's not easy to tell these health conditions apart based on their symptoms alone. Find out about the differences between these illnesses.

Vaccines have traditionally worked by teaching the immune system to recognize a specific virus or bacterium—in effect, ...

The shift in weather often impacts immunity and increases the risk of common cold, flu, throat infections, allergies and other seasonal illnesses.

Imagine a nasal spray that could stop you from getting sick. Researchers in Maryland are testing an experimental treatment ...

When you have a cold or the flu, you'll do just about anything to get over the illness quickly. You might feel inclined to combine various over-the-counter medications, but you shouldn't. In fact, ...

Muscat: As seasonal changes bring a rise in respiratory illnesses, health professionals are highlighting the distinction between the common cold ...

Lemonade provides vitamin C, loosens congestion and can boost the immune system. Honey helps soothe sore throat and fights underlying cold symptoms, thanks to its antibacterial and anti-inflammatory ...

Doctors in Central Texas share the latest on flu strains, RSV, stomach viruses and cedar pollen as cold and allergy season overlap, and what's coming for spring break.